Home / 31,222.88-46,858.92-13,704.80

Finding the Fourth Proportional to 31,222.88, 46,858.92 and 13,704.80

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Solution

The fourth proportional to 31,222.88, 46,858.92 and 13,704.80 is: 20,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,222.88 : 46,858.92 = 13,704.80 : x
  2. Step 2: Convert to fraction form
    31,222.88/46,858.92 = 13,704.80/x
  3. Step 3: Cross multiply
    31,222.88x = 46,858.92 × 13,704.80
  4. Step 4: Simplify right side
    31,222.88x = 642,192,126.82
  5. Step 5: Solve for x
    x = 642,192,126.82/31,222.88
  6. Step 6: Final answer
    x = 20,568.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.